Backup 3.2 is recommended for all users of Backup 3. This update improves the reliability of backup restore and uses space more efficiently on your iDisk or local storage (e.g. external hard drive or DVD).

SMC Firmware Updates refer to the System Management Controller (SMC) firmware update for Intel-based computers. The SMC is a micro-controller on the logic board that controls the power functions for your computer. The SMC controls various functions, including:

The update is recommended for all quad-core Intel Core i5 and Core i7 processors 27-inch iMacs.

April 14, 2010 - 2.1 MB

The Extensible Firmware Interface (EFI) is a specification that defines a software interface between an operating system and platform firmware. EFI is a much larger, more complex, replacement for the older BIOS firmware interface present in all IBM PC-compatible personal computers. The EFI specification was originally developed by Intel, and is now managed by the Unified EFI Forum.